Carboxylic Acid Part I

All molecular formula below are carboxylic acid, except

• C₅H₁₀O₂

• CH₃COOH

• COOHC₂H₅

• C₆H₁₄O₂

• COOH-CH₃-COOH

The correct IUPAC name for this structure is

• 4-ethyl-5-methylhexanoic acid

• 4-isopropylhexanoic acid

• 4-ethyl-5-methylpentanoic acid

• 4-isopropylpentanoic acid

• 4-ethyl-5-methylpentanedioic acid

The name of parent chain from this compound based on "common name" is........

• Capric acid

• Enanthic acid

• Caprilyc acid

• Pelargonic acid

• Caproic acid

The correct structure of 4-chloro-2-ethyl-5-methylheptanoic acid is

• A

• B

• C

• D

• E

(I) Carboxylic acid with 10 carbon is called decanoic acid

(II) Carboxylic acid with 5 carbon is called valeraldehyde

• Statement (I) is true but statement (II) is false

• Statement (I) is false but statement (II) is true

• Both statement (I) and (II) are false

• Both statement (I) and (II) are true

The correct common name for this compound is

• β-methylenanthic acid

• δ-methylenantic acid

• γ-methylenantic acid

• γ-methylcapric acid

• δ-methylcapric acid

The IUPAC name for this structure is

• 3-methylcyclohexanecarboxylic acid

• 2-methylcyclohexanecarboxylic acid

• 1-carboxy-3-methylcyclohexane

• 3-methylbenzoic acid

• 2-methylcyclopentanecarboxylic acid

which compound has higher boiling point?

• Pentanoic acid

• 2-methylbutanoic acid

• Pentanal

• Butanoic acid

• Pentanol

Butanoic acid is miscible (all soluble) in water

• True

• False

Based on statement below, choose the RIGHT statements about carboxylic (the answer could be more than one)

• Monocarboxylic acids are compound that containing two -COOH groups

• Carboxylic acid has position isomer

• Capric acid is straight carboxylic acid with eight carbon atom

• Ethanoic acid has higher boiling point than ethanal

• Carboxylic acid is a functional group isomer of eter